KEEP MY COLOUR BLONDE SHAMPOO is a specifically formulated shampoo perfect for any blonde-natural or not! To fight brassiness, the shampoo uses a blue base with ext. Voilet 2. While boosting blonde tones, soy proteins and wheat proteins strenthens hair & adds volume. This nutrient-rich based shampoo is essential for anyone after the cool tones of the iconic Aussie blonde.